What Do Neck Cells of Gastric Pits Secrete

question 220

Multiple Choice

What do neck cells of gastric pits secrete?

• A)hydrogen ions
• B)gastrin
• C)intrinsic factor
• D)pepsinogen
• E)mucus

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Definitions:

X Chromosome Inactivation

Mechanism of dosage compensation: developmental shutdown of one of the two X chromosomes in the cells of female mammals. See also Barr body.

Calico Cats

A specific fur coloration in cats, characteristically with patches of red, black, and white.

SRY Gene

A gene located on the Y chromosome that is critical for the development of male physical characteristics.

Prokaryotes

Single-celled organisms without a nucleus or other membrane-bound organelles, including bacteria and archaea.